Convertible workstation



FIG. 1 is a perspective view of a convertible workstation;

FIG. 2 is a front view of the convertible workstation;

FIG. 3 is a left side view of the convertible workstation;

FIG. 4 is a right view of the convertible workstation;

FIG. 5 is a top view of the convertible workstation;

FIG. 6 is a back view of the convertible workstation; and,

FIG. 7 is a bottom view of the convertible workstation.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the convertible workstation, as shown and described. 